EduSahara
Home
Practice
CBSE
SSC
ICSE
Worksheets
CBSE
SSC
ICSE
Assignments
CBSE
SSC
ICSE
Exams
CBSE
SSC
ICSE
Login
CBSE Board Practice
Generated
20
Correct
0 (0%)
Incorrect
0 (0%)
Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Exponents and Powers
Question
1
1.
Simplify the expression
7
-6
✕
7
-6
✕
7
-6
7
-17
7
-19
7
-18
10
-18
4
-18
Question
2
2.
Simplify the expression
7
6
✕
3
6
✕
6
6
126
7
129
6
123
6
126
6
126
5
Question
3
3.
Find the prime factorization of
47628
2
2
✕
3
4
✕
7
2
2
2
✕
3
5
✕
5
2
2
2
✕
3
5
✕
7
2
2
2
✕
5
5
✕
7
2
2
3
✕
3
5
✕
7
2
Question
4
4.
The value of
-3
(
-3
2
)
✕
-3
(
5
3
)
(
-8
125
)
(
-8
123
)
(
-2
25
)
2
(
-8
125
)
(
-6
125
)
Question
5
5.
-4
0
=
0
1
-1
∞
undefined
Question
6
6.
4
x
5
.
9
x
6
.
3
x
5
.
5
x
5
=
18
x
16
18
x
150
180
x
150
540
x
21
16
x
180
Question
7
7.
The expanded form of
(
3
m
)
3
is
3
m
3
m
✕
3
m
✕
3
m
3
m
✕
3
m
✕
3
m
✕
3
m
✕
3
m
3
m
✕
3
m
✕
3
m
✕
3
m
3
m
✕
3
m
Question
8
8.
Simplify
(-2)
3
✕
(-2)
2
✕
4
2
(-5)
3
✕
(-3)
2
✕
(-4)
2
✕
3
2
2
9
2
4
✕
3
✕
5
3
2
9
5
4
✕
3
4
✕
5
3
2
9
2
4
✕
3
4
✕
5
3
2
10
2
4
✕
3
4
✕
5
3
2
8
2
4
✕
3
4
✕
5
3
Question
9
9.
(
b
2
)
5
=
b
3
b
2
b
7
5
b
2
b
10
Question
10
10.
-1
4
=
undefined
1
∞
0
-1
EduSahara™ Logout
Are you sure you want to logout.
EduSahara™ Login
Please login to access the assignments
Username:
Password: